<template>
    <el-container>
        <el-header>
            <div class="left-panel">
                <el-button type="primary" icon="el-icon-plus" @click="add"></el-button>
                <el-button type="primary" plain :disabled="selection.length!==1" @click="permission">权限设置</el-button>
            </div>
            <div class="right-panel">
                <div class="right-panel-search">
                    <el-input v-model="search.keyword" placeholder="角色名称" clearable></el-input>
                    <el-button type="primary" icon="el-icon-search" @click="upsearch"></el-button>
                </div>
            </div>
        </el-header>
        <el-main class="nopadding">
            <scTable ref="table" :apiObj="apiObj" row-key="id" @selection-change="selectionChange" stripe>
                <sc-table-column label="序号" type="index"></sc-table-column>
                <el-table-column type="selection" width="50"></el-table-column>
                <el-table-column label="角色名称" prop="roleName" width="150"></el-table-column>
                <el-table-column label="角色编码" prop="roleCode" width="150"></el-table-column>
                <el-table-column label="数据范围" prop="dataScope" width="150" :formatter="formatter"></el-table-column>
                <el-table-column label="状态" prop="status" width="80">
                    <template #default="scope">
                        <el-switch v-model="scope.row.status" :disabled="isAdmin(scope.row)" @change="changeSwitch($event, scope.row)" :loading="scope.row.$switch_status"
                                   active-value="ENABLED" inactive-value="DISABLED"></el-switch>
                    </template>
                </el-table-column>
                <el-table-column label="创建时间" prop="createTime" width="180"></el-table-column>
                <el-table-column label="备注" prop="roleNote" min-width="150"></el-table-column>
                <el-table-column label="操作" fixed="right" align="right" width="170">
                    <template #default="scope">
                        <el-button-group>
                            <el-button type="info" size="small" @click="table_show(scope.row, scope.$index)" icon="el-icon-view"></el-button>
                            <el-button type="primary" size="small" @click="table_edit(scope.row, scope.$index)" :disabled="isAdmin(scope.row)" icon="el-icon-edit"></el-button>
                            <el-popconfirm title="确定删除吗？" @confirm="table_del(scope.row, scope.$index)">
                                <template #reference>
                                    <el-button type="danger" size="small" :disabled="isAdmin(scope.row)" icon="el-icon-delete"></el-button>
                                </template>
                            </el-popconfirm>
                        </el-button-group>
                    </template>
                </el-table-column>

            </scTable>
        </el-main>
    </el-container>

    <save-dialog v-if="dialog.save" ref="saveDialog" @success="handleSaveSuccess" @closed="dialog.save=false"></save-dialog>

    <permission-dialog v-if="dialog.permission" ref="permissionDialog" @closed="dialog.permission=false"></permission-dialog>

</template>

<script>
import saveDialog from './save'
import permissionDialog from './permission'

export default {
    name: 'role',
    components: {
        saveDialog,
        permissionDialog
    },
    data() {
        return {
            dialog: {
                save: false,
                permission: false
            },
            apiObj: this.$API.system.role,
            selection: [],
            search: {
                keyword: null
            },
            dictMap: {},
            props: {
                dataScope: 'DATA_SCOPE'
            }
        }
    },
    mounted() {
        this.getDictMap()
    },
    methods: {
        //添加
        add() {
            this.dialog.save = true
            this.$nextTick(() => {
                this.$refs.saveDialog.open()
            })
        },
        //编辑
        table_edit(row) {
            this.dialog.save = true
            this.$nextTick(() => {
                this.$refs.saveDialog.open('edit').setData(row)
            })
        },
        //查看
        table_show(row) {
            this.dialog.save = true
            this.$nextTick(() => {
                this.$refs.saveDialog.open('show').setData(row)
            })
        },
        //权限设置
        permission() {
            this.dialog.permission = true
            this.$nextTick(() => {
                this.$refs.permissionDialog.open().setData(this.selection[0])
            })
        },
        //删除
        async table_del(row) {
            const res = await this.$API.system.role.delete(row.id);
            if (res.code === 200) {
                this.$refs.table.refresh()
                this.$message.success("删除成功")
            } else {
                await this.$alert(res.msg, "提示", {type: 'error'})
            }
        },
        //表格内开关事件
        async changeSwitch(val, row) {
            //1.还原数据
            row.status = row.status === 'ENABLED' ? 'DISABLED' : 'ENABLED'
            //2.执行加载
            row.$switch_status = true;
            //3.等待接口返回后改变值
            const res = await this.$API.system.role.switch({id: row.id, status: val});
            if (res.code === 200) {
                delete row.$switch_status;
                row.status = val;
                this.$message.success("操作成功")
            } else {
                await this.$alert(res.msg, "提示", {type: 'error'})
            }
        },
        //批量删除
        async batch_del() {
            this.$confirm(`确定删除选中的 ${this.selection.length} 项吗？如果删除项中含有子集将会被一并删除`, '提示', {
                type: 'warning'
            }).then(() => {
                const loading = this.$loading();
                this.$refs.table.refresh()
                loading.close();
                this.$message.success("操作成功")
            }).catch(() => {

            })
        },
        isAdmin(row) {
            return row.roleCode === 'SUPER_ADMIN';
        },
        //表格选择后回调事件
        selectionChange(selection) {
            this.selection = selection;
        },
        //搜索
        upsearch() {

        },
        //根据ID获取树结构
        filterTree(id) {
            let target = null;

            function filter(tree) {
                tree.forEach(item => {
                    if (item.id === id) {
                        target = item
                    }
                    if (item.children) {
                        filter(item.children)
                    }
                })
            }

            filter(this.$refs.table.tableData)
            return target
        },
        //本地更新数据
        handleSaveSuccess(data, mode) {
            if (mode === 'add') {
                this.$refs.table.refresh()
            } else if (mode === 'edit') {
                this.$refs.table.refresh()
            }
        },
        //获取字段值
        async getDictMap() {
            const res = await this.$API.system.dict.detail.map(Object.values(this.props))
            this.dictMap = res.data
        },
        //列表字典转换
        formatter(row, column) {
            //获取字段编码
            const code = this.props[column.property];
            if (!code) {
                return;
            }
            //获取字段明细
            const dictList = this.dictMap[code];
            if (!dictList) {
                return;
            }
            //找到对应字典项
            const dict = dictList.find(dict => dict.value === row[column.property]);
            if (dict) {
                return <el-tag type={dict.type}>{dict.label}</el-tag>;
            }
        }
    }
}
</script>

<style>
</style>
